DE3879643D1 - DETECTION METHOD FOR CORROSION ON CONTAINERS WITH VARIATIONS IN THE COAT THICKNESS. - Google Patents

DETECTION METHOD FOR CORROSION ON CONTAINERS WITH VARIATIONS IN THE COAT THICKNESS.

Info

Publication number
DE3879643D1
DE3879643D1 DE8888311203T DE3879643T DE3879643D1 DE 3879643 D1 DE3879643 D1 DE 3879643D1 DE 8888311203 T DE8888311203 T DE 8888311203T DE 3879643 T DE3879643 T DE 3879643T DE 3879643 D1 DE3879643 D1 DE 3879643D1
Authority
DE
Germany
Prior art keywords
containers
corrosion
variations
detection method
coat thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888311203T
Other languages
German (de)
Other versions
DE3879643T2 (en
Inventor
Pedro F Lara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
R?ntgen Technische Dienst Rotterdam Nl BV
Original Assignee
Atlantic Richfield Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of DE3879643D1 publication Critical patent/DE3879643D1/en
Application granted granted Critical
Publication of DE3879643T2 publication Critical patent/DE3879643T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
    • G01N27/9053—Compensating for probe to workpiece spacing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE88311203T 1987-12-17 1988-11-25 Detection method for corrosion on containers with variations in shell thickness. Expired - Lifetime DE3879643T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/134,224 US4843319A (en) 1987-12-17 1987-12-17 Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness

Publications (2)

Publication Number Publication Date
DE3879643D1 true DE3879643D1 (en) 1993-04-29
DE3879643T2 DE3879643T2 (en) 1993-10-14

Family

ID=22462335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88311203T Expired - Lifetime DE3879643T2 (en) 1987-12-17 1988-11-25 Detection method for corrosion on containers with variations in shell thickness.

Country Status (7)

Country Link
US (1) US4843319A (en)
EP (1) EP0321111B1 (en)
JP (1) JPH0762668B2 (en)
AU (1) AU598706B2 (en)
CA (1) CA1270919A (en)
DE (1) DE3879643T2 (en)
NO (1) NO304454B1 (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451886B (en) * 1986-10-10 1987-11-02 Sten Linder SET AND DEVICE FOR SOUND-FREE SEAT OF SIZES OF OR CONNECTED TO ELECTRICALLY CONDUCTIVE MATERIAL
US4990851A (en) * 1987-12-17 1991-02-05 Atlantic Richfield Company Transient electromagnetic method for detecting irregularities on conductive containers
US4929898A (en) * 1987-12-17 1990-05-29 Atlantic Richfield Transient electromagnetic method for detecting irregularities on conductive containers
US4929896A (en) * 1988-12-29 1990-05-29 Atlantic Richfield Company Transient electromagnetic method for detecting irregularies on conductive containers having variations in jacket thickness
CA1330829C (en) * 1989-08-09 1994-07-19 Peter P. Roosen Metal measuring method and apparatus
US5233297A (en) * 1990-08-06 1993-08-03 Atlantic Richfield Company Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
DE69233065D1 (en) * 1991-06-11 2003-06-26 Newt Holdings Ltd probe
AT401579B (en) * 1993-04-16 1996-10-25 Tiefnig Eugen METHOD AND DEVICE FOR DETERMINING CORROSIVITY
US5854557A (en) * 1993-04-16 1998-12-29 Tiefnig; Eugen Corrosion measurement system
DK65593D0 (en) * 1993-06-04 1993-06-04 Voss Fabrik Atlas Husholdnings DEVICE FOR HEATING OF FOOD PRODUCTS
US5461313A (en) * 1993-06-21 1995-10-24 Atlantic Richfield Company Method of detecting cracks by measuring eddy current decay rate
US5623427A (en) * 1994-09-02 1997-04-22 Defelsko Corporation Nondestructive anodic capacity gauge
EP0817974B1 (en) 1995-03-14 2000-11-08 Profile Technologies, Inc. Reflectometry methods for insulated pipes
AU700581B2 (en) * 1995-06-29 1999-01-07 Bekaert Naamloze Vennootschap Method and installation for measuring the thickness of a non-ferromagnetic conductive layer on a ferromagnetic conductive substrate
US5821749A (en) * 1995-08-02 1998-10-13 Booker; James R. Reluctance change apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced ("ACSR") conductors
US5744955A (en) * 1995-08-02 1998-04-28 Booker; James R. Apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced (ACSR) conductors
DE19604821C1 (en) * 1996-02-10 1997-10-02 Michael Hesky Gmbh Device for leak detection in pipelines
WO1997032219A1 (en) 1996-02-27 1997-09-04 Profile Technologies, Inc. Pipe testing apparatus and method
US6291992B1 (en) * 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
US6285183B1 (en) 1996-09-30 2001-09-04 Mcdonnell Douglas Corporation Method and system for measuring the volume loss of a metal substrate
US6037768A (en) * 1997-04-02 2000-03-14 Iowa State University Research Foundation, Inc. Pulsed eddy current inspections and the calibration and display of inspection results
US6820653B1 (en) 1999-04-12 2004-11-23 Carnegie Mellon University Pipe inspection and repair system
EP1373783B1 (en) * 2001-03-07 2005-08-03 Carnegie-Mellon University Gas main robotic inspection system
US6911826B2 (en) * 2001-06-12 2005-06-28 General Electric Company Pulsed eddy current sensor probes and inspection methods
US6933718B2 (en) * 2001-06-12 2005-08-23 The Boeing Company Quantification method and system for corrosion and damage assessment
WO2004057265A2 (en) * 2002-12-19 2004-07-08 Shell Internationale Research Maatschappij B.V. Monitoring wall thickness
US7642790B2 (en) * 2003-05-06 2010-01-05 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
US7196529B2 (en) * 2003-05-06 2007-03-27 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
US20050007121A1 (en) * 2003-05-06 2005-01-13 Burnett Gale D. Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering
US7005851B2 (en) * 2003-09-30 2006-02-28 General Electric Company Methods and apparatus for inspection utilizing pulsed eddy current
KR100734923B1 (en) * 2005-07-04 2007-07-03 추봉진 A abrasive measurement system for pipe and A upper cover for the system
FR2900471B1 (en) * 2006-04-26 2008-12-26 Snecma Sa MEASUREMENT OF WALL THICKNESS, IN PARTICULAR OF DAWN, BY CURRENTS OF FOUCAULT
US7389206B2 (en) * 2006-08-10 2008-06-17 General Electric Company Inspection systems and methods of operation
JP4886577B2 (en) * 2007-04-06 2012-02-29 新日本製鐵株式会社 Corrosion rate measuring sensor, apparatus, and corrosion rate measuring method
JP5017038B2 (en) * 2007-09-26 2012-09-05 株式会社日立製作所 Eddy current inspection apparatus and eddy current inspection method
KR101250243B1 (en) * 2008-09-05 2013-04-04 엘지전자 주식회사 Apparatus and Method for Measuring the Length of a Pipe
US8000936B2 (en) * 2008-11-10 2011-08-16 Saudi Arabian Oil Company Data analysis system for determining coating conditions of a buried pipeline
US8248088B2 (en) * 2010-02-08 2012-08-21 John Murray Spruth Remote monitor for corrosion protection of pipelines and structures
GB201006733D0 (en) * 2010-04-22 2010-06-09 Liverpool John Moores University An electromagnetic sensor
AU2011313872B2 (en) * 2010-10-14 2015-01-22 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
US10578583B2 (en) 2014-09-26 2020-03-03 Delta Subsea, Llc Systems, apparatus, and methods for inspecting submerged surfaces
US10073058B2 (en) 2015-02-11 2018-09-11 Structural Integrity Associates Dynamic pulsed eddy current probe
US10895555B2 (en) 2015-03-30 2021-01-19 Structural Integrity Associates, Inc. System for in-line inspection using a dynamic pulsed eddy current probe and method thereof
CA2951848C (en) 2015-12-15 2024-01-16 Eddyfi Ndt Inc. Pulsed eddy current testing with dual-purpose coils
JP6971864B2 (en) * 2018-01-15 2021-11-24 オムロン株式会社 How to make a belt
US11493480B2 (en) 2020-10-12 2022-11-08 Russell Nde Systems Inc. Method and apparatus for the detection of corrosion under insulation (CUI), corrosion under fireproofing (CUF), and far side corrosion on carbon steel piping and plates

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229197A (en) * 1961-10-31 1966-01-11 Jr Claus J Renken Pulsed electromagnetic field system for nondestructive testing
DE1698481B1 (en) * 1963-02-18 1969-09-04 Claus Colani Device for examining a relatively homogeneous medium, possibly with a certain electrical conductivity
US3315154A (en) * 1965-01-18 1967-04-18 United Gas Corp Method and apparatus for determining the wall thickness of metallic elements utilizing a reciprocal permanent magnet assembly
US3532969A (en) * 1968-02-20 1970-10-06 Nat Lead Co Method for magnetically measuring wall thickness of metal pipes and plate structures
US3745452A (en) * 1971-02-23 1973-07-10 J Osburn Magnetic field gradient apparatus and method for detecting pipe line corrosion
US3707672A (en) * 1971-06-02 1972-12-26 Westinghouse Electric Corp Weapon detector utilizing the pulsed field technique to detect weapons on the basis of weapons thickness
US4194149A (en) * 1977-12-15 1980-03-18 The Babcock & Wilcox Company Method for generating the eddy current signature of a flaw in a tube proximate a contiguous member which obscures the flaw signal
US4271393A (en) * 1978-12-29 1981-06-02 The Boeing Company Apparatus and method for eddy current detection of subsurface discontinuities in conductive bodies
US4418574A (en) * 1981-11-20 1983-12-06 Texaco Inc. Magnetic method and apparatus for measuring wall thickness
US4611170A (en) * 1982-08-04 1986-09-09 Pa Incorporated Coil apparatus mounted on an axially split spool for indicating wall thickness variations of a length of ferromagnetic pipe
GB8303587D0 (en) * 1983-02-09 1983-03-16 Chapman Cash Processing Ltd Coin discriminating apparatus
IT1194275B (en) * 1983-06-15 1988-09-14 Cise Spa "CONTACTLESS" HIGH THICKNESS GAUGE FOR METAL MATERIALS ABOVE CURIE TEMPERATURE

Also Published As

Publication number Publication date
NO885430L (en) 1989-06-19
JPH01202655A (en) 1989-08-15
DE3879643T2 (en) 1993-10-14
EP0321111A1 (en) 1989-06-21
AU2695888A (en) 1989-06-22
AU598706B2 (en) 1990-06-28
EP0321111B1 (en) 1993-03-24
JPH0762668B2 (en) 1995-07-05
NO885430D0 (en) 1988-12-07
CA1270919A (en) 1990-06-26
NO304454B1 (en) 1998-12-14
US4843319A (en) 1989-06-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILLIPS PETROLEUM CO. (N.D.GES.D. STAATES DELAWAR

8327 Change in the person/name/address of the patent owner

Owner name: R?NTGEN TECHNISCHE DIENST B.V., ROTTERDAM, NL